Machining center



FIG. 1 is a perspective view of the front and right side of a machining center showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a front view with the lid in open condition and the operation part in the rotated position. 

The ornamental design for a machining center, as shown and described. 